Merge pull request #43 from vishna/master

Don't rely on pull to refresh library anymore
Merge pull request #44 from vishna/master

addAll(position, collection) dedupe fix
Merge pull request #46 from vishna/master

Revert back to data adapter if backing poll changes
Merge pull request #47 from vishna/master

imporve addAll(location, collection)
Initial take on migrating to gradle & unit tests with Roboelectric
Migrate UI part to gradle
Added gradle wrapper
Up the gradle plugin
Add test for deleteing items in a list

Closes #45
Deploying to sonatype now works
Merge pull request #48 from eyeem/gradle_migration

Gradle migration
Initial Travis setup
Add hip chat notifications for potato